Home / 85,002,615.30-127,291,346.55-67,996,503.30

Finding the Fourth Proportional to 85,002,615.30, 127,291,346.55 and 67,996,503.30

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Solution

The fourth proportional to 85,002,615.30, 127,291,346.55 and 67,996,503.30 is: 101,824,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,002,615.30 : 127,291,346.55 = 67,996,503.30 : x
  2. Step 2: Convert to fraction form
    85,002,615.30/127,291,346.55 = 67,996,503.30/x
  3. Step 3: Cross multiply
    85,002,615.30x = 127,291,346.55 × 67,996,503.30
  4. Step 4: Simplify right side
    85,002,615.30x = 8,655,366,465,748,518
  5. Step 5: Solve for x
    x = 8,655,366,465,748,518/85,002,615.30
  6. Step 6: Final answer
    x = 101,824,707.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.